I am missing something... you rolled the pipe in etching, cut the ends off, and the next pic is the blanks. Did you cut the blanks out of the pipe? I'm asking because I would like to try this but my brain is not comprehending the full procedure.

I love all of your ideas and creativity. I have just started working with copper tubing. Besides the patina, I would love to try your methods At times plain is okay, but these are spectacular. ty for sharing.